Description  Claims  Drawing  Cited references 

US3687111A   [0005] 
EP0072334A   [0006] 
CA2008000269W   [0006] 
US6041931A   [0009] 
WO2014094159A   [0010] 
US5632405A   [0011] 
US5555845A   [0012] 
FR2801472   [0013] 
KR20120008653A   [0014] 
CA2008000269   [0065]